Home / 705,346.18-972,719.49-543,942.34

Finding the Fourth Proportional to 705,346.18, 972,719.49 and 543,942.34

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Solution

The fourth proportional to 705,346.18, 972,719.49 and 543,942.34 is: 750,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,346.18 : 972,719.49 = 543,942.34 : x
  2. Step 2: Convert to fraction form
    705,346.18/972,719.49 = 543,942.34/x
  3. Step 3: Cross multiply
    705,346.18x = 972,719.49 × 543,942.34
  4. Step 4: Simplify right side
    705,346.18x = 529,103,315,554.21
  5. Step 5: Solve for x
    x = 529,103,315,554.21/705,346.18
  6. Step 6: Final answer
    x = 750,132.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.